HP ProBook 650 Maintenance and Service Guide - Page 24

Special function keys, Component, Description, Start

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Special function keys NOTE: Refer to the illustration that most closely matches your computer. Component (1) (2) esc key fn key (3) Windows key (4) Embedded numeric keypad (5) Windows application key (6) num lock key Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with a function key, the num lock key, the esc key, or the fn+b. See Using the hot keys on page 15 Opens the Start menu. NOTE: Pressing the Windows key again will close the Start menu. A numeric keypad superimposed over the keyboard alphabet keys that enables you to add, subtract, and perform other numeric tasks. When num lock is on, the keypad can be used like an external numeric keypad. Displays options for a selected object. Turns the embedded numeric keypad on and off. 14 Chapter 2 External component identification

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Special function keys
NOTE:
Refer to the illustration that most closely matches your computer.
Component
Description
(1)
esc
key
Displays system information when pressed in combination with
the
fn
key.
(2)
fn
key
Executes frequently used system functions when pressed in
combination with a function key, the
num lock
key, the
esc
key,
or the
fn
+
b
.
See
Using the hot keys
on page
15
(3)
Windows key
Opens the
Start
menu.
NOTE:
Pressing the Windows key again will close the
Start
menu.
(4)
Embedded numeric keypad
A numeric keypad superimposed over the keyboard alphabet
keys that enables you to add, subtract, and perform other
numeric tasks. When
num lock
is on, the keypad can be used like
an external numeric keypad.
(5)
Windows application key
Displays options for a selected object.
(6)
num lock
key
Turns the embedded numeric keypad on and
off.
14
Chapter 2
External component
identification